Discover interesting things about our calculators

Since its onset, calculators are not only used for basic arithmetic but also for scientific uses, so they have developed as well. Whether it’s a hand-held calculator in your pocket, a scientific model, or even an advanced graphing calculator, these devices have a surprise for you, here are 10 calculator tips and tricks. The first real calculator was the Pascaline (1642), invented by Blaise Pascal. It performed basic arithmetic operations with a series of gears and wheels. In 1673, Gottfried Wilhelm Leibniz built on this idea to create a machine capable of multiplication and division.